Remove legacy PWM interface (pwm_config, pwm_enable, pwm_disable) and replace it for the atomic PWM API.

Signed-off-by: Maíra Canal maira.canal@usp.br Reported-by: kernel test robot lkp@intel.com --- V1 -> V2: Initializing variable and simplyfing conditional loop --- drivers/video/backlight/lp855x_bl.c | 23 +++++++++-------------- 1 file changed, 9 insertions(+), 14 deletions(-)

diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c index e94932c69f54..a895a8ca6d26 100644 --- a/drivers/video/backlight/lp855x_bl.c +++ b/drivers/video/backlight/lp855x_bl.c @@ -233,9 +233,8 @@ static int lp855x_configure(struct lp855x *lp)

static void lp855x_pwm_ctrl(struct lp855x *lp, int br, int max_br) { - unsigned int period = lp->pdata->period_ns; - unsigned int duty = br * period / max_br; - struct pwm_device *pwm; + struct pwm_device *pwm = NULL; + struct pwm_state state;

/* request pwm device with the consumer name */ if (!lp->pwm) { @@ -244,19 +243,15 @@ static void lp855x_pwm_ctrl(struct lp855x *lp, int br, int max_br) return;

lp->pwm = pwm; - - /* - * FIXME: pwm_apply_args() should be removed when switching to - * the atomic PWM API. - */ - pwm_apply_args(pwm); }

- pwm_config(lp->pwm, duty, period); - if (duty) - pwm_enable(lp->pwm); - else - pwm_disable(lp->pwm); + pwm_init_state(pwm, &state); + + state.period = lp->pdata->period_ns; + state.duty_cycle = br * state.period / max_br; + state.enabled = state.duty_cycle; + + pwm_apply_state(pwm, &state); }

static int lp855x_bl_update_status(struct backlight_device *bl)